[FX.php List] [OFF] Getting visitor's IP

[Jonathan Schwartz]

Errr.....Dale....wasn't Leo's answer "on the money"...just with 
different syntax?

J


At 7:28 PM -0500 8/22/08, Dale Bengston wrote:
>This is a short-hand if/else construct. If you were to bust it all 
>the way out, it would look like:
>
>if (isset($_SERVER['HTTP_PC_REMOTE_ADDR']))
>	{
>	$remoteHost = $_SERVER['HTTP_PC_REMOTE_ADDR'];
>	}
>else
>	{
>	$remoteHost = $_SERVER['REMOTE_ADDR'];
>	}
>
>This is beyond the main point though - Leo, if you're going to offer 
>up solutions, please get yourself up to speed on the thread.
>
>Dale
>
>
>On Aug 22, 2008, at 5:56 PM, Leo R. Lundgren wrote:
>
>>Actually, it's nicer to use isset() and assume that if that key is 
>>set, the server did put something into it.
>>
>>$remoteHost = (isset() ? $_SERVER['HTTP_PC_REMOTE_ADDR'] : 
>>$_SERVER['REMOTE_ADDR']);
>>
>>
>>22 aug 2008 kl. 23.41 skrev Leo R. Lundgren:
>>
>>>The ?: is more of an operator. See the manual :)
>>>
>>>I use strlen() to check if there's any data in the first key. If 
>>>there is, use it, otherwise use the other key. As I've mentioned 
>>>before I've come to the conclusion that it's not notably slower 
>>>than using isset() (which would return TRUE for a var that is set, 
>>>even if it doesn't contain any data).
>>>
>>>For the perfectionist, note that there is no need to have the 
>>>surrounding () in the expression. I just use it for readability. 
>>>In actuality, I think it's technically faster to leave them out. 
>>>But unless you know that you need to remove them, it's not an 
>>>issue. Just mentioning it to lay off the one whould point it out 
>>>otherwise :P
>>>
>>>22 aug 2008 kl. 23.32 skrev Jonathan Schwartz:
>>>
>>>>Interesting.  What function is that?  Also, what purpose does 
>>>>strlen provide to the function?
>>>>
>>>>Thx
>>>>
>>>>>I'm sorry, I haven't followed this thread almost at all, 
>>>>>honestly. But reading the below quote makes me think that 
>>>>>someone is wondering whether to use REMOTE_ADDR or 
>>>>>HTTP_PC_REMOTE_ADDR.
>>>>>
>>>>>If so, here's my suggestion:  $remoteHost = 
>>>>>(strlen($_SERVER['HTTP_PC_REMOTE_ADDR']) ? 
>>>>>$_SERVER['HTTP_PC_REMOTE_ADDR'] : $_SERVER['REMOTE_ADDR']);
>>>>>
>>>>>I'm probably so off track here :-)
>>>>>
>>>>>
>>>>>22 aug 2008 kl. 18.01 skrev Jonathan Schwartz:
>>>>>
>>>>>>Kevin,
>>>>>>
>>>>>>Are you sure that it is OS X Server making the change?  I admit 
>>>>>>that I never spent the time trying to nail down the source, but 
>>>>>>I assumed that it was the PHP version or web server.  I have 
>>>>>>always used OS X Server 10.4, yet have had to fiddle with the 
>>>>>>setting just the same.
>>>>>>
>>>>>>Jonathan
>>>>>>
>>>>>>>
>>>>>>>You *can*, but normalising them makes your code portable to 
>>>>>>>other systems,
>>>>>>>and future-proofs it against changes in OS X Server (what if 
>>>>>>>suddenly they
>>>>>>>revert to using REMOTE_ADDR?).
>>>>>>
>>>>>>--
>>>>>>Jonathan Schwartz
>>>>>>Exit 445 Group
>>>>>>jonathan at exit445.com
>>>>>>http://www.exit445.com
>>>>>>415-370-5011
>>>>>>_______________________________________________
>>>>>>FX.php_List mailing list
>>>>>>FX.php_List at mail.iviking.org
>>>>>>http://www.iviking.org/mailman/listinfo/fx.php_list
>>>>>
>>>>>
>>>>>-|
>>>>>
>>>>>_______________________________________________
>>>>>FX.php_List mailing list
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>>>>
>>>>
>>>>--
>>>>Jonathan Schwartz
>>>>Exit 445 Group
>>>>jonathan at exit445.com
>>>>http://www.exit445.com
>>>>415-370-5011
>>>>_______________________________________________
>>>>FX.php_List mailing list
>>>>FX.php_List at mail.iviking.org
>>>>http://www.iviking.org/mailman/listinfo/fx.php_list
>>>
>>>
>>>-|
>>>
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>>
>>
>>-|
>>
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>
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-- 
Jonathan Schwartz
Exit 445 Group
jonathan at exit445.com
http://www.exit445.com
415-370-5011